They're covered by sedimentary rock .
Hope this helps :) !!
Be more specific, in order to answer this question.
Either the first one or second one
<span>inferior planets: Mercury and Venus. closer to the Sun than Earth. The inferior planets show phases like the Moon's when viewed from Earth.Earth.<span>superior planets: Mars thru Neptune. farther from the Sun than Earth. The superior planets always appear full or nearly so. (this answer is on google )</span></span>